Welcome to Circulating Air Heating and Air Conditioning Company. We were established in 1994 in the Boulder County area. We have over 30 years experience, and offer honest and reliable service. We offer reasonable rates with no trip charge. We service and install heaters, air conditioners, humidifiers and electronic air cleaners.



Serving Colorado in the Following Locations:

Longmont, Boulder, Niwot, Gunbarrel, Erie, Frederick,

Firestone, Dacono, Louisville, Lafayette, and Berthoud



Our hours of operation are Monday-Friday 8:30am-4:30pm.


Contact us today!


Circulating Air Inc
500 9th Avenue, Suite 12
Longmont, CO 80501
(303)772-7960
circulatingair@gmail.com